When attempting to expand the NSX edge cluster, the operation fails with the following entry in the domainmanager.log:
SUBTASK_PRE_VALIDATION_ERROR Validation failed: Field clusterMoidToRuleIdsToVms in input param is not valid. Cluster ID to VC Cluster Moid Anti-affinity rule UUID and VM names Map cannot be empty
com.vmware.evo.sddc.common.core.error.InvalidInputException: Validation failed: Field clusterMoidToRuleIdsToVms in input param is not valid. Cluster ID to VC Cluster Moid Anti-affinity rule UUID and VM names Map cannot be empty
5.2
Anti-Affinity rules need to be enabled for the edge cluster nodes.
Refer to the documentation below for further information:
Update or Recreate the VM Anti-Affinity Rule for the NSX Edge Cluster Nodes